Schmitt CL, Allen JA, Kosa KM, Curry LE. Support for a ban on tobacco powerwalls and other point-of-sale displays: findings from focus groups. Health Educ Res. 2015 Feb;30(1):98-106. doi: 10.1093/her/cyu046.
Lincourt W, Stanford RH, Gilsenan A, DiBenedetti D, Ortega H. Assessing primary care physician`s beliefs and attitudes of asthma exacerbation treatment and follow-up. Open Respir Med J. 2010 Feb 22;4:9-14.
Spector D, Anthony M, Alexander D, Arab L. Soy consumption and colorectal cancer. Nutr Cancer. 2003;47(1):1-12.